Ornamental Plant Germplasm Center
Phlox is a priority genus for germplasm acquisition and conservation
Research on Phlox encompasses many aspects of this important genus
Phlox flowers are particularly striking, and the subject of research at the OPGC
Celebrating the wonderful world of Phlox during 2014!
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The Ornamental Plant Germplasm Center (OPGC) is part of the National Plant Germplasm System, a network of organizations and people dedicated to preserving the genetic diversity of crop plants.

The OPGC is a joint effort of the USDA-ARS and The Ohio State University's Department of Horticulture and Crop Science.  Financial support is provided through the Floriculture and Nursery Research Initiative of the ARS.


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Recent News

American Painted Lady reared at the OPGC
Controlled pollination of our acessions is critical for the production of seeds consistent with the genetic charateristics of the original population.  Bumblebees are our principal pollinators, but unfortunately they do not typically pollinate flowers of Phlox, one of our priority genera....
OPGC at Cultivate'14
Every July, the OPGC participates in the largest horticultural trade show and educational event, Cultivate'14 (formerly the OFA Short Course and Trade Show).  Our presence at the trade show and in educational sessions provides us with a forum to promote our activities and maintain...
Lily Cultivars in Bloom
The genus Lilium is one of our priorities for conservation and study.  Last year (2013) we initiated a collaborative study with Prof. William Miller of Cornell University to assess the garden performance of selected lily cultivars that have previously shown some potential as perennial garden...
View from the Howlett Green Roof
The OPGC's backyard offers a colorful and enticing view from the beautiful new green roof installed on Howlett Hall as part of the Chadwick Arboretum and Learning Gardens' programs.  The view from this roof includes our high tunnel and the many raised beds that this year, 2014, are...